Adjustments—continued – Nikon f2 User Manual
Page 48
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Adjustments for Film Compensation
Some exposure correction may be necessary when cer
tain types of films are used for copying or photomicro
graphy applications; the amount of correction required,
however, will depend on the type of film and the spe
cific application. The following table lists the exposure
corrections in f/stops required for various film/shooting
requirements. Compensation is possible by adjusting the
shutter speed or the aperture by the indicated amount;
also, compensation is possible by adjusting the ASA
film-speed index ring. In the example shown, the index
ring is set so that the red mark is aligned with ASA 50;
this setting is the correct position to achieve a one-stop
increase in exposure (three scale graduations equal one
stop) as required when performing photomicrography
(see table) using ASA 100 Panchromatic film.
ADJUSTMENTS—continued______
N. Original
Repro-copying
&
slide-copying
Type
of film
B&W
color photo
Letters or figures
on
light background
Letters or figures
on
dark background
Photo
micrography
Panchromatic
film
for general use
No
compensation
necessary
+ ^Уг
stops
— 'A stop
+ 1 stop